Triraphis devia is a species of grass endemic to Brazil, the only member of its genus native to the Western Hemisphere.

[1][2][3] Three populations of Triraphis devia has been reported, all from the State of Goiás.

One of these lies inside Chapada dos Veadeiros National Park.

[2][4][5] Triraphis devia is a perennial herb with an unbranched flowering stalk bearing a panicle less than 8 cm long.

In other words, this is probably a C4 plant, having a photosynthetic metabolism improving efficiency in hot, sunlit environments.